indexo.dev

cs170.org

.org crawl

First seen 2026-04-20 · Last seen 2026-05-13 · ok HTTP/1.1 200 657 ms crawled 2026-05-13

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
CS 170 Spring 2026
Language
en

Technology

CDN
Fastly
Server
GitHub.com
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Registration

Registrar
GoDaddy.com, LLC
Created
2017-08-23
Expires
2027-08-23 461 days left
Updated
2025-08-01
Name servers
  • ns49.domaincontrol.com
  • ns50.domaincontrol.com

DNS records live

NS
  • ns49.domaincontrol.com
  • ns50.domaincontrol.com
TXT
  • google-site-verification=mCAzkkvidldvRykySP9IRUhK-9u-IOKYw0MPM1M77AE

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-23 to 2026-07-22
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://cs170.org/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31556952

Links to (3)

Linked from (1)